Know why Putin removed Sergei Shoigu from the post of Defense Minister amid Russia Ukraine war

The Russia-Ukraine war seems to be intensifying once again. Dangerous fighting is going on in Kharkiv city of Ukraine. Russia is claiming that it has captured 9 villages of Kharkiv. Russia is seeing this as a big achievement in this war. On the other hand, despite this lead in the war, Russian President Vladimir Putin has removed his Defense Minister Sergei Shoigu from his post. Let us tell you that Sergei was the Defense Minister of Russia for the last 12 years and is also a special friend of Putin. So today we will talk about this issue, why did Putin take such a big decision?